Cita APA

Kirn, E., & Hartmann, P. (1996). Interactions (3rd ed.). New York : McGraw-Hill.

Chicago Style Citation

Kirn, Elaine., i Pamela Hartmann. Interactions. 3rd ed. New York : McGraw-Hill, 1996.

Cita MLA

Kirn, Elaine., i Pamela Hartmann. Interactions. 3rd ed. New York : McGraw-Hill, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.